IP Library › Granted Patent US 4,320,613
Granted Patent Utility
US 4,320,613 · App. 06/039,796

Profiled insulating underboard

Inventor: Donald L. Kaufman
Patented Case View Patent ↗
Granted: Mar 23, 1982 Filed: May 17, 1979
Inventor
Donald L. Kaufman
Assignee (at issue)
Alside, Inc.

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Quick Facts
Patent No.
US 4,320,613
App. No.
06/039,796
Filed
1979-05-17
Granted
1982-03-23
Kind
A